<?phpclass UserCustomerBasketDataAccess extends UserCustomerBasketDABase{		/**	 * 	 * Remove Product out Shopping Cart	 * @param string $user_id	 * @param string $product_id	 * @throws Exception	 */	public function removeCart($user_id, $product_id) {		try {			// Get db object			$dbWriter = $this->getDbWriter();						$arrElement = array();			if(!empty($user_id))			{				$arrElement[] = " customerId = {$user_id}";			}						if(!empty($product_id))			{				$arrElement[] = " productId = {$product_id}";			}						// Execute query			$rowCount = $dbWriter->delete($this->tableName, $arrElement);									// Return boolean result			if ($rowCount > 0) {				return true;			}			else {				return false;			}		}		catch (Exception $ex) {			throw $ex;		}	}}